Top Tier:
Homeland
Justified
Hell on Wheels
Game of Incest
Archer
Sons of Anarchy
American Whore Story (first two seasons)
True Detective
Lost and Dexter if you haven't seen them
Banshee (Justified with pointless sex scenes and more brutal violence
Prison Break
Longmire
Breaking Bad
Deadwood

I really don’t like watching TV because in my opinion there are no series worth watching :P therefore I prefer watching online… especially documentaries on youtube and so on. Tough, I am dying to watch the new game of thrones season :P